Younger workers, aged under 35, were most likely to believe their job will be replaced by a machine.

Jobs in computing and telecoms were most likely to be affected, said the report.

Jeff Phipps, managing director of ADP, said: “Automation may seem like an issue for future generations, but our findings show that machines could replace thousands of employees in as few as five years.

“Artificial intelligence and robotics are progressing at such a pace that machines will soon have the capability to do the job of humans in a whole range of professions and industries.

“While this might be good for efficiency and productivity, it could leave thousands facing redundancy and change the face of the workplace forever.

“More robots in the workplace won’t mean all humans become obsolete, as new and maybe better jobs will be created, while other roles will change considerably.

“By starting to upskill and retrain workers now, employers can ensure they and their employees are as ready as possible to work side-by-side with the machines.”